Stereotactic body radiotherapy (SBRT) in patients with lung metastases - prognostic factors and long-term survival using patient self-reported outcome (PRO)

Table 1 Patient characteristics of 219 patients and 316 lesions

	n	%	Median (range)
Gender
Female	90	41.1
Male	129	58.9
Age at RT [years]			68 (6–91)
Primary tumor type
NSLC	56	17.7
CRC	93	29.4
Melanoma	11	3.5
Breast Cancer	20	6.3
Others	136	43.0
Number of pulmonary METs
≤ 3	203	64.2
> 3	113	35.8
MET location
Central	34	10.8
Upper lobe	130	41.1
Middle lobe	23	7.3
Lower lobe	129	40.8
Laterality
Right	169	53.5
Left	145	45.9
Bilateral	2	0.6
Extra thoracic MET
Yes	131	41.5
No	185	58.5
KPS [%] at RT
100	8	2.5
90	141	44.6
80	137	43.4
70	22	7.0
60	7	2.2
50	1	0.3
Prior thorax RT
Yes	87	27.5
No	229	72.5
CHT between MET diagnosis and SBRT
Yes	58	18.4
No	258	81.6
Time primary diagnosis until MET diagnosis [months]			30.9 (0–265.9)
Time MET diagnosis until RT [months]			1.7 (0–127.3)
PTV [ml]			28.8 (2.0–517.0)
GTV [ml]			5.4 (0.1–217.6)

NSCLC Non-small cell lung cancer, CRC Colorectal carcinoma, KPS Karnofsky performance score, RT Radiotherapy, CHT Chemotherapy, MET Metastasis, PTV Planning target volume, GTV Gross tumor volume

ISSN: 1471-2407